Can You Solve Burning Rope Problem

You have two ropes coated in an oil to help them burn.

Can you solve burning rope problem.

Each takes exactly 60 minutes to burn. Each rope will take exactly 1 hour to burn. This burning rope problem is a classic logic puzzle. Since a single rope burns in 30 60 2 minutes when burned by two flames we deduce a single rope will burn in 20 60 3 minutes with three flames.

If so try this variation. How can you measure 45 minutes by burning the ropes. You are told that each of the two ropes has the following property. By the time rope one burns it will be 30 mins.

They are made of different material so even though they take the same amount of time to burn they burn at separate rates. Once you have taken a crack at solving the riddle you can see the. Rope burning logic problem. So the total time can be calculated like below.

Rope 2 would also burn to a point where only 30 mins are left for it to burn completely. Can you solve the two rope puzzle. The burning rope problem. In addition each rope burns inconsistently.

You have two ropes and a lighter. If you light one end of the rope it will take exactly one hour to burn all the way to the other end. Treating a bad rope burn requires attentive care in order to prevent infection and pain and to ensure healing comes quickly 1. You have two ropes that each take an hour to burn but burn at inconsistent rates.

We re back with another riddle and this week s is nice and short though figuring out the solution can be a bedeviling pursuit. At this point burn the rope 2 at the remaining end and it will burn off completely in 15 mins. You can get rope burn from any activity involving the use of rope such as rock climbing roping horses boating or rope climbing. First rope second 30 mins second rope 15 mins 45 mins.

Each rope burns in 60 minutes but the ropes do not burn at a constant rate. Some of you might have heard this problem before. This is the only equipment you can use. Solve these word problems with answers included.

But it doesn t have to burn at a uniform rate. We can measure 30 minutes by burning one rope at both ends so we can solve this if we can measure 20 minutes on the other rope. Posted by jason kottke nov 22 2006.